CVE-2026-0308CWE-79cross-site-scripting

CVE-2026-0308

published September 10, 2026

CVSS
1.1
EPSS
0%
Percentile
18.9
In the wild
Unconfirmed
What it is

A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store or execute a JavaScript payload using the web interface.

This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).

Cloud NGFW and Prisma® Access are not affected by this vulnerability.

The record
Technical detail
CVSS
1.1 · NONE
CVSS v4.0
1.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
EPSS
0.00276 · 18.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-10T10:17Z
References (2)
https://security.paloaltonetworks.com/CVE-2026-0308 · [email protected]https://cert-portal.siemens.com/productcert/html/ssa-104023.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 11 SEP 03:16Z
    EPSS moved — → 0%
    epss
  • 10 SEP 05:48Z
    PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
    cvelistv5